Six second grade students tried tossing a ball into a basket ten times each. Their teacher then suggested a different way of tossing the ball, and the six students tried again. The number of successful tosses, before and after the teacher's suggestion, are shown below. Find the positive rank sum. [Recall, differences of zero are not ranked.]
A) +9
B) +15
C) +4
D) +1

Question

Six second grade students tried tossing a ball into a basket ten times each. Their teacher then suggested a different way of tossing the ball, and the six students tried again. The number of successful tosses, before and after the teacher's suggestion, are shown below.  Find the positive rank sum. [Recall, differences of zero are not ranked.]
A) +9 
B) +15 
C) +4 
D) +1

Quizplus · Accepted Answer

The Answer of Six second grade students tried tossing a ball into a basket ten times each. Their teacher then suggested a different way of tossing the ball, and the six students tried again. The number of successful tosses, before and after the teacher's suggestion, are shown below.  Find the positive rank sum. [Recall, differences of zero are not ranked.]
A) +9 
B) +15 
C) +4 
D) +1

Six Second Grade Students Tried Tossing a Ball into a Basket